1397000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{127}}^1$

素因数の和:159

約数の個数: 64

約数和(自身を含む): 3594240

約数和(自身を除く): 2197240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 125, 127, 200, 220, 250, 254, 275, 440, 500, 508, 550, 635, 1000, 1016, 1100, 1270, 1375, 1397, 2200, 2540, 2750, 2794, 3175, 5080, 5500, 5588, 6350, 6985, 11000, 11176, 12700, 13970, 15875, 25400, 27940, 31750, 34925, 55880, 63500, 69850, 127000, 139700, 174625, 279400, 349250, 698500, 1397000]

約数ペア:

[(1, 1397000), (2, 698500), (4, 349250), (5, 279400), (8, 174625), (10, 139700), (11, 127000), (20, 69850), (22, 63500), (25, 55880), (40, 34925), (44, 31750), (50, 27940), (55, 25400), (88, 15875), (100, 13970), (110, 12700), (125, 11176), (127, 11000), (200, 6985), (220, 6350), (250, 5588), (254, 5500), (275, 5080), (440, 3175), (500, 2794), (508, 2750), (550, 2540), (635, 2200), (1000, 1397), (1016, 1375), (1100, 1270)]